// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/public/browser/android/devtools_auth.h"

#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>

#include "base/logging.h"

namespace content {

bool CanUserConnectToDevTools(
    const net::UnixDomainServerSocket::Credentials& credentials)
{
    struct passwd* creds = getpwuid(credentials.user_id);
    if (!creds || !creds->pw_name) {
        LOG(WARNING) << "DevTools: can't obtain creds for uid "
                     << credentials.user_id;
        return false;
    }
    if (credentials.group_id == credentials.user_id && (strcmp("root", creds->pw_name) == 0 || // For rooted devices
            strcmp("shell", creds->pw_name) == 0 || // For non-rooted devices

            // From processes signed with the same key
            credentials.user_id == getuid())) {
        return true;
    }
    LOG(WARNING) << "DevTools: connection attempt from " << creds->pw_name;
    return false;
}

} // namespace content
